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KB30UU-OP NB Bearing
Static load rating Cor: 205
🟢 Design: Open (no seals - external protection recommended)
✨ Smooth Casting - Corrosion Resistant - ABEC-1 Quality
RM3ZZ (W3ZZ) 12mm V-Groove Guide Ball Bearing Inner Diameter - 50mm KB30UU-OP NB BearingRM3ZZ V Groove Guide Ball Bearing 12mm Bore Double Shielded Track Roller Style The RM3ZZ (also known as W3ZZ) is a high precision V groove guide bearing engineered for reliable tracking on linear rails and angled tracks. With a 12mm bore and dual metal shields, this track roller is ideal for smooth guidance in CNC machines, sliding gates, and motion systems. Bore diameter (ID): 12mm Outer diameter (OD): 45. 72mm Groove width (A): 26. 98mm Race width